//
// timer.cpp
// ~~~~~~~~~
//
// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//

#include <iostream>
#include <boost/asio.hpp>
#include <boost/bind.hpp>

void print(const boost::system::error_code& /*e*/,
	boost::asio::steady_timer* t, int* count)
{
	if (*count < 5)
	{
		std::cout << *count << std::endl;
		++(*count);

		t->expires_at(t->expiry() + boost::asio::chrono::seconds(1));
		t->async_wait(boost::bind(print,
			boost::asio::placeholders::error, t, count));
	}
}

int main()
{
	boost::asio::io_context io;

	int count = 0;
	boost::asio::steady_timer t(io, boost::asio::chrono::seconds(1));
	t.async_wait(boost::bind(print,
		boost::asio::placeholders::error, &t, &count));

	io.run();

	std::cout << "Final count is " << count << std::endl;

#ifdef _WIN32
	system("pause");
#endif
	return 0;
}
